| 1 | // Licensed to the .NET Foundation under one or more agreements. |
|---|---|
| 2 | // The .NET Foundation licenses this file to you under the MIT license. |
| 3 | // See the LICENSE file in the project root for more information. |
| 4 | // |
| 5 | |
| 6 | |
| 7 | // |
| 8 | // |
| 9 | /*============================================================ |
| 10 | ** |
| 11 | ** Header: Threads.inl |
| 12 | ** |
| 13 | ** Purpose: Implements Thread inline functions |
| 14 | ** |
| 15 | ** |
| 16 | ===========================================================*/ |
| 17 | #ifndef _THREADS_INL |
| 18 | #define _THREADS_INL |
| 19 | |
| 20 | #include "threads.h" |
| 21 | #include "appdomain.hpp" |
| 22 | #include "frames.h" |
| 23 | |
| 24 | #ifndef DACCESS_COMPILE |
| 25 | |
| 26 | #ifndef __llvm__ |
| 27 | EXTERN_C __declspec(thread) ThreadLocalInfo gCurrentThreadInfo; |
| 28 | #else // !__llvm__ |
| 29 | EXTERN_C __thread ThreadLocalInfo gCurrentThreadInfo; |
| 30 | #endif // !__llvm__ |
| 31 | |
| 32 | EXTERN_C inline Thread* STDCALL GetThread() |
| 33 | { |
| 34 | return gCurrentThreadInfo.m_pThread; |
| 35 | } |
| 36 | |
| 37 | EXTERN_C inline AppDomain* STDCALL GetAppDomain() |
| 38 | { |
| 39 | return AppDomain::GetCurrentDomain(); |
| 40 | } |
| 41 | |
| 42 | #endif // !DACCESS_COMPILE |
| 43 | |
| 44 | inline void Thread::IncLockCount() |
| 45 | { |
| 46 | LIMITED_METHOD_CONTRACT; |
| 47 | _ASSERTE(GetThread() == this); |
| 48 | m_dwLockCount++; |
| 49 | _ASSERTE(m_dwLockCount != 0 || HasThreadStateNC(TSNC_UnbalancedLocks)); |
| 50 | } |
| 51 | |
| 52 | inline void Thread::DecLockCount() |
| 53 | { |
| 54 | LIMITED_METHOD_CONTRACT; |
| 55 | _ASSERTE(GetThread() == this); |
| 56 | _ASSERTE(m_dwLockCount > 0 || HasThreadStateNC(TSNC_UnbalancedLocks)); |
| 57 | m_dwLockCount--; |
| 58 | } |
| 59 | |
| 60 | inline |
| 61 | Frame* Thread::FindFrame(SIZE_T StackPointer) |
| 62 | { |
| 63 | Frame* pFrame = GetFrame(); |
| 64 | |
| 65 | while ((SIZE_T)pFrame < StackPointer) |
| 66 | { |
| 67 | pFrame = pFrame->Next(); |
| 68 | } |
| 69 | |
| 70 | return pFrame; |
| 71 | } |
| 72 | |
| 73 | inline void Thread::SetThrowable(OBJECTREF pThrowable DEBUG_ARG(ThreadExceptionState::SetThrowableErrorChecking stecFlags)) |
| 74 | { |
| 75 | WRAPPER_NO_CONTRACT; |
| 76 | |
| 77 | m_ExceptionState.SetThrowable(pThrowable DEBUG_ARG(stecFlags)); |
| 78 | } |
| 79 | |
| 80 | inline void Thread::SetKickOffDomainId(ADID ad) |
| 81 | { |
| 82 | CONTRACTL { |
| 83 | NOTHROW; |
| 84 | GC_NOTRIGGER; |
| 85 | SO_TOLERANT; |
| 86 | } |
| 87 | CONTRACTL_END; |
| 88 | |
| 89 | m_pKickOffDomainId = ad; |
| 90 | } |
| 91 | |
| 92 | |
| 93 | inline ADID Thread::GetKickOffDomainId() |
| 94 | { |
| 95 | CONTRACTL { |
| 96 | NOTHROW; |
| 97 | GC_NOTRIGGER; |
| 98 | SO_TOLERANT; |
| 99 | } |
| 100 | CONTRACTL_END; |
| 101 | |
| 102 | _ASSERTE(m_pKickOffDomainId.m_dwId != 0); |
| 103 | return m_pKickOffDomainId; |
| 104 | } |
| 105 | |
| 106 | // get the current notification (if any) from this thread |
| 107 | inline OBJECTHANDLE Thread::GetThreadCurrNotification() |
| 108 | { |
| 109 | CONTRACTL |
| 110 | { |
| 111 | SO_NOT_MAINLINE; |
| 112 | NOTHROW; |
| 113 | GC_NOTRIGGER; |
| 114 | SUPPORTS_DAC; |
| 115 | } |
| 116 | CONTRACTL_END; |
| 117 | |
| 118 | return m_hCurrNotification; |
| 119 | } |
| 120 | |
| 121 | // set the current notification (if any) from this thread |
| 122 | inline void Thread::SetThreadCurrNotification(OBJECTHANDLE handle) |
| 123 | { |
| 124 | CONTRACTL |
| 125 | { |
| 126 | SO_NOT_MAINLINE; |
| 127 | NOTHROW; |
| 128 | GC_NOTRIGGER; |
| 129 | } |
| 130 | CONTRACTL_END; |
| 131 | |
| 132 | m_hCurrNotification = handle; |
| 133 | } |
| 134 | |
| 135 | // clear the current notification (if any) from this thread |
| 136 | inline void Thread::ClearThreadCurrNotification() |
| 137 | { |
| 138 | CONTRACTL |
| 139 | { |
| 140 | SO_NOT_MAINLINE; |
| 141 | NOTHROW; |
| 142 | GC_NOTRIGGER; |
| 143 | } |
| 144 | CONTRACTL_END; |
| 145 | |
| 146 | m_hCurrNotification = NULL; |
| 147 | } |
| 148 | |
| 149 | |
| 150 | inline OBJECTREF Thread::GetExposedObjectRaw() |
| 151 | { |
| 152 | CONTRACTL { |
| 153 | NOTHROW; |
| 154 | GC_NOTRIGGER; |
| 155 | SO_TOLERANT; |
| 156 | SUPPORTS_DAC; |
| 157 | } |
| 158 | CONTRACTL_END; |
| 159 | |
| 160 | return ObjectFromHandle(m_ExposedObject); |
| 161 | } |
| 162 | |
| 163 | inline void Thread::FinishSOWork() |
| 164 | { |
| 165 | WRAPPER_NO_CONTRACT; |
| 166 | #ifdef FEATURE_STACK_PROBE |
| 167 | if (HasThreadStateNC(TSNC_SOWorkNeeded)) |
| 168 | { |
| 169 | ResetThreadStateNC(TSNC_SOWorkNeeded); |
| 170 | } |
| 171 | #else |
| 172 | _ASSERTE(!HasThreadStateNC(TSNC_SOWorkNeeded)); |
| 173 | #endif |
| 174 | } |
| 175 | |
| 176 | #ifdef FEATURE_COMINTEROP |
| 177 | inline void Thread::RevokeApartmentSpy() |
| 178 | { |
| 179 | LIMITED_METHOD_CONTRACT; |
| 180 | |
| 181 | if (m_fInitializeSpyRegistered) |
| 182 | { |
| 183 | VERIFY(SUCCEEDED(CoRevokeInitializeSpy(m_uliInitializeSpyCookie))); |
| 184 | m_fInitializeSpyRegistered = false; |
| 185 | } |
| 186 | } |
| 187 | |
| 188 | inline LPVOID Thread::GetLastSTACtxCookie(BOOL *pfNAContext) |
| 189 | { |
| 190 | LIMITED_METHOD_CONTRACT; |
| 191 | *pfNAContext = ((UINT_PTR)m_pLastSTACtxCookie & 1); |
| 192 | return (LPVOID)((UINT_PTR)m_pLastSTACtxCookie & ~1); |
| 193 | } |
| 194 | |
| 195 | inline void Thread::SetLastSTACtxCookie(LPVOID pCtxCookie, BOOL fNAContext) |
| 196 | { |
| 197 | LIMITED_METHOD_CONTRACT; |
| 198 | if (fNAContext) |
| 199 | { |
| 200 | // The ctx cookie is an interface pointer so we can steal the lowest bit |
| 201 | // to mark whether the context is known to be Neutral Apartment or not. |
| 202 | m_pLastSTACtxCookie = (LPVOID)((UINT_PTR)pCtxCookie | 1); |
| 203 | } |
| 204 | else |
| 205 | { |
| 206 | m_pLastSTACtxCookie = pCtxCookie; |
| 207 | } |
| 208 | } |
| 209 | #endif // FEATURE_COMINTEROP |
| 210 | |
| 211 | inline bool Thread::IsGCSpecial() |
| 212 | { |
| 213 | LIMITED_METHOD_CONTRACT; |
| 214 | return m_fGCSpecial; |
| 215 | } |
| 216 | |
| 217 | inline void Thread::SetGCSpecial(bool fGCSpecial) |
| 218 | { |
| 219 | LIMITED_METHOD_CONTRACT; |
| 220 | m_fGCSpecial = fGCSpecial; |
| 221 | } |
| 222 | |
| 223 | #endif |
| 224 |